Compare 28729 vs 28921
| Property | 28729 | 28921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 287291 | 289211 |
| Prime factorization | 28729 | 28921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28729 | 1, 28921 |
| Number of properties | 5 | 6 |
| Isolated primes | 2217th | 2233rd |
| Lucky primes | 489th | |
| Primes | 3130th | 3148th |
| Pythagorean primes | 1556th | 1565th |
| Sexy primes (1st member) | 925th | |
| Sexy primes (2nd member) | 921st | |
| Sexy prime triplets (1st member) | 239th | |
| Ulam primes | 238th | |
| Roman numberals | ||
| Base 2 | 1110000001110012 | 1110000111110012 |
| Base 3 | 11101020013 | 11102000113 |
| Base 4 | 130003214 | 130033214 |
| Base 5 | 14044045 | 14111415 |
| Base 6 | 3410016 | 3415216 |
| Base 7 | 1465217 | 1502147 |
| Base 8 | 700718 | 703718 |
| Base 9 | 433619 | 436049 |
| Base 10 | 2872910 | 2892110 |
| Base 11 | 1a64811 | 1a80211 |
| Base 12 | 1476112 | 148a112 |
| Base 13 | 100cc13 | 1021913 |
| Base 14 | a68114 | a77b14 |
| Base 15 | 87a415 | 888115 |
| Base 16 | 703916 | 70f916 |